Patents by Inventor Yu LIWEI

Yu LIWEI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-based adhesive for the bonding of cellulose based substrates
    Patent number: 10829673
    Abstract: Water-based adhesive composition comprising: from 30% to 60% by weight (expressed as dry content) of a chloroprene modified acrylic emulsion (A); and from 0.05% to 0.45% by weight (expressed as dry content) of a water soluble polymer (B) selected among xanthan gum and konjac gum; said composition being obtainable by a process (P) comprising a first step (i) of dissolving into water polymer (B) in the form of a powdered solid. Use of said composition, for the bonding of at least one cellulose based substrate.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: November 10, 2020
    Assignee: BOSTIK SA
    Inventors: Yu Liwei, Li Yong, Yuan Xinheng
  • NEW WATER-BASED ADHESIVE FOR THE BONDING OF CELLULOSE BASED SUBSTRATES
    Publication number: 20190062607
    Abstract: Water-based adhesive composition comprising: from 30% to 60% by weight (expressed as dry content) of a chloroprene modified acrylic emulsion (A); and from 0.05% to 0.45% by weight (expressed as dry content) of a water soluble polymer (B) selected among xanthan gum and konjac gum; said composition being obtainable by a process (P) comprising a first step (i) of dissolving into water polymer (B) in the form of a powdered solid. Use of said composition, for the bonding of at least one cellulose based substrate.
    Type: Application
    Filed: August 22, 2018
    Publication date: February 28, 2019
    Applicant: BOSTIK SA
    Inventors: Yu LIWEI, Li YONG, Yuan XINHENG